lecture 9-cereal

Question 1

• define cellotriosyl

Answer 1

3 glucose units connected by 1,4

Question 2

• define cellotetraosyl

Answer 2

4 glucose units connected by 1,4

Question 3

• describe the structure of beta-glucgans’

Answer 3

is a mix of beta-D (1,3) and (1,4) glucan that are mostyl linked by 1,4). The 1,3 occurs singely and 1,4 happens in blocks of 2 or more which seperates 1,3. In fungus they are mixed 1,3 and 1,6 .

Question 4

• what are the health benefits of beta glucan

Answer 4

a soluble dietary fibre so reduce serum cholesterol, lowers glycemic response

Question 5

• what are cereals and pseudocerals?

Answer 5

cereals are monocotyledon type plants that are memebers of the grass family and psedocerals are strachy seeds that come from dicotyledonous plants that serve the same function as cereals but aren’t actually cereals like chai and quina and buckwheat

Question 6

what dietary fibers are common in cereals?

Answer 6

arabinoxylan is th most common and beta glucan very high in things like oats and rye. Others inculude cellulose, fructants, resistant strach and liginin